'No Pants Subway Ride' in the bay and around the world

January 13, 2013

Sean Havey/The Chronicle

4of64

"No Pants" participants ride the BART on January 13, 2013 in San Francisco, Calif. The event, which takes place in various subways around the world is hosted by the group Improv Everywhere, and asks participants to wear no pants but to don colorful underwear and socks.

Sean Havey/The Chronicle

4of64

"No Pants" participants ride the BART on January 13, 2013 in San Francisco, Calif. The event, which takes place in various subways around the world is hosted by the group Improv Everywhere, and asks participants to wear no pants but to don colorful underwear and socks.